83449921199 has 2 divisors, whose sum is σ = 83449921200. Its totient is φ = 83449921198.

The previous prime is 83449921193. The next prime is 83449921339. The reversal of 83449921199 is 99112994438.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83449921199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83449921193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41724960599 + 41724960600.

It is an arithmetic number, because the mean of its divisors is an integer number (41724960600).

Almost surely, 2^83449921199 is an apocalyptic number.

83449921199 is a deficient number, since it is larger than the sum of its proper divisors (1).

83449921199 is an equidigital number, since it uses as much as digits as its factorization.

83449921199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 59.

The spelling of 83449921199 in words is "eighty-three billion, four hundred forty-nine million, nine hundred twenty-one thousand, one hundred ninety-nine".